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The AAPG/Datapages Combined Publications Database
Showing 42,271 Results. Searched 195,452 documents.
The preservation of water-table caves at depth: Observations from subsurface data and numerical modeling
Andrea Nolting, P. J. Moore, Janelle Homburg, and Fermín Fernández-Ibáñez
AAPG Bulletin
... currently undergoing meteoric diagenesis near their area of deposition (Vacher and Mylroie, 2002). The lack of burial diagenesis results in these rocks...
2021
Geodetic Baselines Across the Gulf of California Using the Global Positioning System: Chapter 24: Part IV. Satellite Geodesy
T. H. Dixon, D. M. Tralli, G. Blewitt, J. P. Dauphin
AAPG Special Volumes
..., A. Mallama, and J. W. Ryan, 1987, Determinations of relative site motions in the western United States using Mark III Very Long Baseline...
1991
A Review of Permian and Triassic Paleomagnetic Data With Respect to Paleogeographic Conditions at, and the Location of, the Permian-Triassic Boundary
A. E. M. Nairn, D. N. Peterson
CSPG Special Publications
... to indicate that in discussions of relative displacement, care must be taken to specify the area concerned as closely as possible. There may...
1973
Information on Grain Sizes in Gravel-Bed Rivers by Automated Image Analysis: RESEARCH METHODS PAPERS
L.C. Sime, R.I. Ferguson
Journal of Sedimentary Research (SEPM)
... and area of each identified grain, on the assumption of an elliptical shape. Our work confirms this so we used ellipse matching to size each grain...
2003
Application of the Global Positioning System to PNG Petroleum Exploration
N. C. Talbot, G. J. Carman
Papua New Guinea (PNG) Petroleum Convention Proceedings
... as the receiver separation in creases over say 100km, the bias cancelling assump tion used in the relative positioning mode tends to break down. N.C....
1990
Rhythms and events in carbonate stratigraphy
Wolfgang Schlager
Special Publications of SEPM
... production starts very slowly when a supratidal area is re-flooded and that tidal flats rapidly prograde (Drummond and Wilkinson, 1993; Demicco, 1998). Fig. 5.1...
2005
Origin of high productivity in the Pliocene of the Florida Platform: Evidence from stable isotopes and trace elements
Kai Tao, Ethan L. Grossman
PALAIOS
... gastropods. Upwelling would bring cool and nutrient-rich deep waters to the Florida coastal area, causing high productivity and lower marine temperatures off...
2010
Paleomagnetic Constraints on Relative Motions of the Asian Blocks and Terranes
Jin-lu Lin, M. Fuller
Circum Pacific Council Publications
...Paleomagnetic Constraints on Relative Motions of the Asian Blocks and Terranes Jin-lu Lin, M. Fuller © Circum-Pacific Council for Energy and Mineral...
1990
Preliminary Palinspastic Paleogeographic Reconstructions for the Greater San Francisco Bay Area, 15Ma - 5 Ma
Anna V. Buising, James P. Walker
Pacific Section SEPM
... evolution and sedimentation in the Bay area. We have been particularly interested in differentiating the relative roles of strike-slip effects...
1995
Multivariate Pattern Recognition and Classification Methods: Chapter 4
John H. Doveton
AAPG Special Volumes
... of the clou ; the variance-covariance matrix gives its relative degree of dispersion and orientation within the multivariate log space. The multivariate normal...
1994
Restoration of Cross Sections Above Intrusive Salt Domes
Roger C. Brewer , Richard H. Groshong, Jr.
AAPG Bulletin
... a sharp inflection at the top of the pre-growth sequence. The pre-growth sequence is restored by area balancing. The growth sequence deforms mainly...
1993
Capturing Multiscale Heterogeneity in Paralic Reservoir Characterization: A Study in Greater Burgan Field, Kuwait
Kalyanbrata Datta, Muhammad Yaser, Ernest Gomez, Y. Zee Ma, Jean-Michel Filak, Anwar Al-Nasheet, Luis Diaz Teran Ortegon
AAPG Special Volumes
... was separated into three broad areas. A test case was run in an area of moderate reservoir connectivity to capture interwell heterogeneities. In the basal...
2019
An Approach for Generating Spatially and Physically Correlated Natural Fracture Network Properties for Unconventional Reservoirs
Yogendra Narayan Pandey, Jeffrey M. Yarus, Genbao Shi, Veronica Liceras
Unconventional Resources Technology Conference (URTEC)
... the penny-shaped crack model (Hudson 1981) of fractures. In this model, fracture opening was depicted as an ellipse. Previous studies have treated...
2016
Relationship between Oriented Calcite Concretions and Permeability Correlation Structure in an Alluvial Aquifer, Sierra Ladrones Formation, New Mexico
Peter S. Mozley , J. Matthew Davis
Journal of Sedimentary Research (SEPM)
..., it may be possible to use these features to obtain data on the correlation structure over a broad area in a relatively short time. GEOLOGIC SETTING...
1996
Geocentric Sectoring of LWD Azimuthal Log Data for Improved RDIP and RSTRIKE Analysis: Enhanced Reservoir Navigation and Petrophysical Characterization
James J. Willis, Lauren A. Martz
GCAGS Transactions
... sectors are defined such that they are perpendicular to bedding, yielding enhanced bed boundary detection and improved relative dip angle (RDIP...
2017
Comparison of Three Facies Modeling Methods Applied to a Submarine Fan Deposits
Fikri Yunus, Lothar Schulte
Indonesian Petroleum Association
... like half pipe, box, ellipse, etc. GIS is a pixel-based technique * ** which uses a variogram model as the input to calculate the spatial distribution...
2017
Molecular and isotopic gas composition of the Devonian Berea Sandstone and implications for gas evolution, eastern Kentucky
Thomas M. Marty Parris, Paul C. Hackley, Stephen F. Greb, and Cortland F. Eble
AAPG Bulletin
... with a reevaluation of thermal maturity in a companion study that expands the area mature for oil. Gas migration is required, however, in updip parts of the Berea...
2021
Assessment of Backwater Controls On the Architecture of Distributary-Channel Fills In A Tide-Influenced Coastal-Plain Succession: Campanian Neslen Formation, U.S.A.
Luca Colombera, Michelle N. Shiers, Nigel P. Mountney
Journal of Sedimentary Research (SEPM)
... and adjacent formations, Book Cliffs area, Colorado and Utah: U.S. Geological Survey , Open-File Report 2012-1260, 1 sheet. Kolb, C.R., 1963, Sediments forming...
2016
Regional Map of the 0.70 psi/ft Pressure Gradient and Development of the Regional Geopressure-Gradient Model for the Onshore and Offshore Gulf of Mexico Basin, USA
Lauri A. Burke, Scott A. Kinney, Russell F. Dubiel, Janet K. Pitman
GCAGS Journal
... of this regional pressure-gradient investigation. The western, northern, and eastern extent of the study area (solid red line) is approximated by the Upper...
2012
Structural Styles in Basin Formation: Chapter 6: Concepts
A. D. Gibbs
AAPG Special Volumes
..., 1987). In its simplest form, this approach has enabled us to describe and understand very complex deformation in terms of the strain ellipse in 2D...
1989
Seismic Characteristics and Identification of Negative Flower Structures, Positive Flower Structures, and Positive Structural Inversion
T. P. Harding
AAPG Bulletin
..., v. 60, p. 2081-2102. Tanner, J. H., III, 1967, Wrench fault movements along Washita Valley fault, Arbuckle Mountain area, Oklahoma: AAPG Bulletin...
1985
Importance of Downhole Measurements, Visualization and Analysis in Producing Unconventional Wells
Luis E. Gonzalez, Rajan Chokshi, William Lane
Unconventional Resources Technology Conference (URTEC)
... increase reservoir-contact area with the production wellbore. However, horizontal or lateral wellbores adds operational challenges such as slugging...
2015
Probabilistic Modelling of Discontinuous Reservoirs
M. C. Budding, K. M. Eastwood, J. C. Herweijer, S. E. Livera, A. H. M. Paardekam, J. M. M. Regtien
Indonesian Petroleum Association
... fluvial systems. Each 90% confidence ellipse is based on at least 65 measurements from modern and ancient alluvial sequences. Model Evaluations Statistical...
1988
The Importance of Lineaments in the Tectonic Evolution of the Earth’s Crust and in the Occurrence of Ore Deposits in Middle Europe
A. Pilger
Utah Geological Association
... England Basin and others. There are also significant graben-like depressions in the Saxonian area such as the Oberrhine Graben, the Hessen depression...
1974
Directional Survey Problems, East Wilmington Oil Field, California
John N. Truex
AAPG Bulletin
... or restricted drillsites on piers, or within the metropolitan area. In the Wilmington and East Wilmington fields more than 4,100 wells have been drilled, most...
1971